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Re: Checking whether a $var is a number

by dragonchild (Archbishop)
on Sep 05, 2001 at 00:24 UTC ( [id://110150]=note: print w/replies, xml ) Need Help??

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  1. or download this
    if ($var && $var !~ /\D/) {
    # We have a value and it's a number
}
  2. or download this
    sub isNum {
    if ($var && $var !~ /\D/) {
...
        return 0;
    }
}

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